Origin and ages of mineralization of Bayan Obo, the world's largest rare earth ore deposit, Inner Mongolia, China
By: E.C.T. Chao ... [et al.].
Contributors: Chao, E. C. T.; Geological Survey (U.S.)
Series: Open-file report -- 90-538.; U.S. Geological Survey open-file report -- 90-538.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1990
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Subjects: Rare earth metals.; Geology, Stratigraphic -- Proterozoic.; Ore deposits -- China -- Inner Mongolia.; Mines and mineral resources -- China -- Inner Mongolia.
Notes: Cover title.

Distributed to depository libraries in microfiche.

Includes bibliographical references (p. 7).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992?] 1 microfiche : negative.